41 museum services; development and dissemination of educational materials of others in the fields of science, economics, and politics; organizing exhibitions in the fields of science, economics, and politics; educational services, namely conducting conferences, congresses, seminars, and symposiums in the fields of science, economics, and politics, and conducting tours of museum facilities; lending library services; motion picture film production; rental of sound recordings and motion pictures; organizing competitions in the field of science, economics, and politics; and publication of books, newspapers, magazines, manuals, handbooks, and almanacs